108+9x=123+4x

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Solution for 108+9x=123+4x equation:


Simplifying
108 + 9x = 123 + 4x

Solving
108 + 9x = 123 + 4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4x' to each side of the equation.
108 + 9x + -4x = 123 + 4x + -4x

Combine like terms: 9x + -4x = 5x
108 + 5x = 123 + 4x + -4x

Combine like terms: 4x + -4x = 0
108 + 5x = 123 + 0
108 + 5x = 123

Add '-108' to each side of the equation.
108 + -108 + 5x = 123 + -108

Combine like terms: 108 + -108 = 0
0 + 5x = 123 + -108
5x = 123 + -108

Combine like terms: 123 + -108 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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